Welcome to the documentation

Find here the guides, references and tutorials for all HTKapp applications. Each section covers one application independently — pick the one you need from the menu on the left.

Available applications

FST

Full Screen Text — display your messages full screen on iPhone, iPad, Mac and Apple Vision Pro.

Need help?

If you can't find the answer to your question in the documentation, you can open a support ticket — our team will get back to you as soon as possible.